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A td_lte_advanced base station signal analysis device and method based on non-signaling

A signal analysis method and signal analysis technology, applied in the field of non-signaling-based TD_LTE_Advanced base station signal analysis devices, can solve the problems of inaccurate testing, slow testing speed, unfavorable base station development and production, etc., to simplify testing methods and improve testing efficiency effect

Active Publication Date: 2019-03-26
THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the technical requirements of large bandwidth and multiple antennas in TD_LTE_Advanced technology, the traditional test method usually uses a test system composed of multiple instruments for testing. Accurate issues require the establishment of non-signaling connections, which is not conducive to the development and production of base stations

Method used

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  • A td_lte_advanced base station signal analysis device and method based on non-signaling
  • A td_lte_advanced base station signal analysis device and method based on non-signaling
  • A td_lte_advanced base station signal analysis device and method based on non-signaling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 As shown, a TD_LTE_Advanced base station signal analysis device based on non-signaling includes a first local oscillator array unit, a second local oscillator array unit, a first frequency mixing unit, a second frequency mixing unit, an A / D control unit, and an FPGA Controller and measurement display unit;

[0044] The first local oscillator array unit, the second local oscillator array unit, the first frequency mixing unit, the second frequency mixing unit and the A / D control unit are each provided with eight paths; the eight-way first local oscillator array unit, the eight-way second The local oscillator array unit, eight first frequency mixing units, eight second frequency mixing units and eight A / D control units form eight radio frequency channels;

[0045] The output ends of the eight-way first local oscillator array unit are respectively connected to the input ends of the eight-way first frequency mixing unit; the output ends of the eight-way fir...

Embodiment 2

[0049] The present invention also mentions a TD_LTE_Advanced base station signal analysis method based on non-signaling (such as figure 2 Shown), used to analyze the TD_LTE_Advanced base station signal of multi-antenna, continuous and non-continuous carrier aggregation in the case of non-signaling, follow the steps below:

[0050] Step 1: The TD_LTE_Advanced base station signal analysis device is connected to the TD_LTE_Advanced base station through a radio frequency cable, and the host computer controls the TD_LTE_Advanced base station and the TD_LTE_Advanced base station signal analysis device through the serial port and the GPIB port respectively, and completes the preparatory work before the test;

[0051] Step 2: The host computer configures the frequency of the TD_LTE_Advanced base station signal analysis device through the GPIB control command. Frequency: F_B0+846.4MHz, F_B1+846.4MHz, F_B2+846.4MHz, F_B3+846.4MHz, F_B4+846.4MHz, F_B5+846.4MHz, F_B6+846.4MHz, F_B7+846.4...

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Abstract

The invention belongs to a TD_LTE_Advanced base station signal analysis device and a TD_LTE_Advanced base station signal analysis method based on non signaling, belonging to the field of signal testing. The TD_LTE_Advanced base station signal analysis device comprises eight radio frequency and intermediate frequency channels, and the eight radio frequency and intermediate frequency channels are connected with a FPGA controller and a measurement display unit; by each radio frequency channel, a 846.4MHz analog signal and a 153.6MHz analog intermediate frequency signal are generated; by each intermediate frequency channel, analog-to-digital conversion is carried out; time domain analysis, frequency domain analysis and modulation domain analysis are executed for an optimal sample data through the FPGA controller; and whether the test result satisfies expected requirements or not is judged through the measurement display unit. According to the method and the device provided by the invention, by means of respectively processing the eight paths of radio frequency data and the eight paths of intermediate frequency data, rapid analysis of TD_LTE_Advanced base station signals of multi-antenna continuous and discontinuous carrier aggregation under non signaling condition is realized, test measures are simplified, and test efficiency is improved.

Description

technical field [0001] The invention belongs to the field of signal testing, and in particular relates to a non-signaling-based TD_LTE_Advanced base station signal analysis device and method. Background technique [0002] With the in-depth advancement of TD_LTE_Advanced technology, the development of multi-carrier and multi-antenna technology has gradually matured. As a key part of base station R&D, production and factory certification, base station testing has become more and more popular among base station developers, base station manufacturers and operators. Attention, base station test equipment came into being. For the technical requirements of large bandwidth and multiple antennas in TD_LTE_Advanced technology, the traditional test method usually uses a test system composed of multiple instruments for testing. Accurate issues require the establishment of non-signaling connections, which is not conducive to the development and production of base stations. Contents of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00
CPCH04W24/00
Inventor 徐波凌云志王先鹏武敬飞杨传伟
Owner THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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